Texas Instruments

LM4666SDX/NOPB

LM4666SDX/NOPB Description

The LM4666SDX/NOPB is a high-performance, Class D audio amplifier from Texas Instruments, part of the renowned Boomer® series. This IC is designed to deliver exceptional audio quality with a maximum output power of 1.2W per channel into an 8-ohm load, making it ideal for applications requiring efficient power delivery and minimal power consumption. The LM4666SDX/NOPB operates within a supply voltage range of 2.8V to 5.5V, ensuring compatibility with a wide range of power sources.

This amplifier is packaged in a 14-lead WSON (Tape & Reel) format, which is suitable for surface-mount applications. It features a moisture sensitivity level (MSL) of 1, indicating it is unaffected by moisture and can be stored indefinitely without degradation. The LM4666SDX/NOPB is also REACH unaffected and RoHS3 compliant, meeting stringent environmental and safety standards.

LM4666SDX/NOPB Features

• High Efficiency: As a Class D amplifier, the LM4666SDX/NOPB offers high efficiency, converting a significant portion of the input power into audio output while minimizing heat generation.
• Low Distortion: Despite its high efficiency, this amplifier maintains low distortion levels, ensuring high-fidelity audio reproduction.
• Wide Supply Voltage Range: The ability to operate from 2.8V to 5.5V makes it versatile for various power supply configurations.
• Surface-Mount Compatibility: The 14-lead WSON package is ideal for surface-mount technology (SMT), facilitating easy integration into compact designs.
• Environmental Compliance: The LM4666SDX/NOPB is REACH unaffected and RoHS3 compliant, ensuring it meets environmental and safety standards.
• Moisture Resistance: With an MSL of 1, this IC can be stored and used in environments with varying humidity levels without risk of moisture damage.

LM4666SDX/NOPB Applications

The LM4666SDX/NOPB is well-suited for a variety of applications where high audio quality and efficiency are paramount. Its compact size and surface-mount compatibility make it ideal for portable audio devices, such as smartphones, tablets, and portable speakers. Additionally, its wide supply voltage range and low power consumption make it suitable for battery-powered devices, ensuring extended operational time without compromising audio performance.

Conclusion of LM4666SDX/NOPB

The LM4666SDX/NOPB stands out as a versatile and efficient Class D audio amplifier, offering high performance in a compact package. Its wide supply voltage range, low distortion, and environmental compliance make it a reliable choice for modern audio applications. Despite being marked as obsolete, the LM4666SDX/NOPB remains a valuable component for designers seeking a high-efficiency, high-fidelity audio solution.